package com.ikun.util;

import java.util.Date;
import java.util.Map;

import com.auth0.jwt.JWT;
import com.auth0.jwt.algorithms.Algorithm;

public class JwtUtil {

    private static final String KEY = "IKUN";

    // 接收业务数据,生成token并返回
    public static String genToken(Map<String, Object> claims) {
        return JWT.create().withClaim("claims", claims)
            .withExpiresAt(new Date(System.currentTimeMillis() + 1000 * 60 * 60 * 12)).sign(Algorithm.HMAC256(KEY));
    }

    // 接收token,验证token,并返回业务数据
    public static Map<String, Object> parseToken(String token) {
        return JWT.require(Algorithm.HMAC256(KEY)).build().verify(token).getClaim("claims").asMap();
    }

}
